Each year, Steven Payson and his wife, Joy, open their home to foreign exchange students.For over two decades, they’ve welcomed Japanese, Finnish, Danish, French, Italian, Filipino and others from across the world to spend 10 months in Lamesa.This year, they’re hosting a German and a student from the country of Georgia.Two years ago, Steven said they wouldn’t do any more foreign exchange students. That changed last year when a student from Bolivia stayed with a Lubbock family that didn’t work out. She needed a place to stay and the Paysons accommodated.“Bad habit. Got two extra rooms in the house. Otherwise,